<template>
  <ElDialog v-model="showSearch" :show-close="false" title="菜单搜索">
    <el-select
      filterable
      :reserve-keyword="false"
      remote
      placeholder="请输入菜单内容"
      :remote-method="remoteMethod"
      style="width: 100%"
      @change="handleChange"
    >
      <el-option
        v-for="item in options"
        :key="item.value"
        :label="item.label"
        :value="item.value"
      />
    </el-select>
  </ElDialog>
</template>

<script lang="ts" setup>
  import { ref, computed, onMounted, onUnmounted, Ref } from 'vue'
import { useRouter } from 'vue-router'
  const router = useRouter() // 路由对象
  const showSearch = ref(false) // 是否显示弹框
  const value: Ref = ref('') // 用户输入的值

  const routers = router.getRoutes() // 路由对象
  const options = computed(() => {
    // 提示选项
    if (!value.value) {
      return []
    }
    const list = routers.filter((item: any) => {
      if (item.meta.title?.indexOf(value.value) > -1 || item.path.indexOf(value.value) > -1) {
        return true
      }
    })
    return list.map((item) => {
      return {
        label: `${item.meta?.title??''}${item.path}`,
        value: item.path
      }
    })
  })

  function remoteMethod(data) {
    // 这里可以执行相应的操作（例如打开搜索框等）
    value.value = data
  }

  function handleChange(path) {
    router.push({ path })
  }

  onMounted(() => {
    window.addEventListener('keydown', listenKey)
  })

  onUnmounted(() => {
    window.removeEventListener('keydown', listenKey)
  })

  // 监听 ctrl + k
  function listenKey(event) {
    if ((event.ctrlKey || event.metaKey) && event.key === 'k') {
      showSearch.value = !showSearch.value
      // 这里可以执行相应的操作（例如打开搜索框等）
    }
  }

  defineExpose({
    openSearch: () => {
      showSearch.value = true
    }
  })
</script>
